package com.data.util;

import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * @Author Str
 * @Date 2022/2/12 10:31
 * @Description :
 */
@Component
public class SpringContextUtil implements ApplicationContextAware {

    private SpringContextUtil() {
        System.out.println("SpringContextUtil()");
    }

    private static ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext){
        System.out.println("applicationContext:"+applicationContext);
        SpringContextUtil.applicationContext = applicationContext;
    }

    /**
     * 手动获取bean
     */
    public static <T> T getBean(Class<T> clazz) {
        return applicationContext.getBean(clazz);
    }

}